package com.hmall.gateway.fifter;

import org.springframework.cloud.gateway.filter.GatewayFilterChain;
import org.springframework.cloud.gateway.filter.GlobalFilter;
import org.springframework.core.annotation.Order;
import org.springframework.http.HttpStatus;
import org.springframework.http.server.reactive.ServerHttpRequest;
import org.springframework.stereotype.Component;
import org.springframework.util.MultiValueMap;
import org.springframework.web.server.ServerWebExchange;
import reactor.core.publisher.Mono;

//@Component
//@Order(-1)
public class AuthorizeFilter implements GlobalFilter {
    @Override
    public Mono<Void> filter(ServerWebExchange exchange, GatewayFilterChain chain) {
        ServerHttpRequest request = exchange.getRequest();
        MultiValueMap<String, String> queryParams = request.getQueryParams();
        String auth = queryParams.getFirst("authorization");
        if ("admin".equals(auth)) {
            return chain.filter(exchange);
        }
        //设置没有权限的返回状态码
        exchange.getResponse().setStatusCode(HttpStatus.FORBIDDEN);
        //处理请求
        return exchange.getResponse().setComplete();
    }
}
